Ogden Engineering & Associates, LLC is an engineering consulting firm specializing in Chemical Process and Environmental Engineering Services. OE&A serves the defense, aerospace, energy, environmental and remediation, and biodiesil/biofuels industries. The company's services include: Process Design and Development, Equipment Specification and Procurement, Prototype Design and Manufacturing, Bench and Pilot Scale Testing, Waste Minimization Analysis, Fuel and Propulsion System Development, Emission Monitoring and Control, Site Assessments, Regulatory Permitting, and Project Management,